Who said "The secret to happiness is not thinking too much."?

This quote is attributed to Peter Griffin.

The secret to happiness is not thinking too much. - Peter Griffin

"The secret to happiness is not thinking too much."

Peter Griffin Happiness

"Shut up, Meg."

"All right, all right, I'm coming, Elizabeth."

"Giggity!"

"You know what really grinds my gears?"

"Babalú!"

"My greatest joy is making people smile."

"Laughter and love make a home."

"The best things in life are free."